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STM32H750XB_RT-THREAD/42-PWR—电源管理/PWR—停止模式/User/main.c

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STM32H750 RTThread 例程
2025-07-21 06:34:29 +00:00
/**
******************************************************************************
* @file main.c
* @author fire
* @version V1.0
* @date 2019-xx-xx
* @brief Ұ<EFBFBD><EFBFBD>H750 PWR<EFBFBD><EFBFBD>ֹͣģʽ
******************************************************************************
* @attention
*
* ʵ<EFBFBD><EFBFBD>ƽ̨:Ұ<EFBFBD><EFBFBD> STM32 H743 <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD>̳ :http://www.firebbs.cn
* <EFBFBD>Ա<EFBFBD> :http://firestm32.taobao.com
*
******************************************************************************
*/
#include "main.h"
#include "stm32h7xx.h"
#include "./led/bsp_led.h"
#include "./usart/bsp_usart.h"
#include "./key/bsp_exti.h"
#include "./delay/core_delay.h"
/**
* @brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* @param <EFBFBD><EFBFBD>
* @retval <EFBFBD><EFBFBD>
*/
int main(void)
{
uint32_t SYSCLK_Frequency=0;
uint32_t HCLK_Frequency=0;
uint32_t PCLK1_Frequency=0;
uint32_t PCLK2_Frequency=0;
uint32_t SYSCLK_Source=0;
/* <20><>ʼ<EFBFBD><CABC>ϵͳʱ<CDB3><CAB1>Ϊ480MHz */
SystemClock_Config();
/* <20><>ʼ<EFBFBD><CABC>LED */
LED_GPIO_Config();
/* <20><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4>ڣ<EFBFBD>һ<EFBFBD><D2BB>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD>1 */
UARTx_Config();
/* <20><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD>ж<EFBFBD>ģʽ<C4A3><CABD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>жϺ<D0B6><CFBA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>жϷ<D0B6><CFB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
EXTI_Key_Config();
printf("\r\n <20><>ӭʹ<D3AD><CAB9>Ұ<EFBFBD><D2B0> STM32H743 <20><><EFBFBD><EFBFBD><EFBFBD>塣\r\n");
printf("\r\n Ұ<><D2B0>H743 ֹͣģʽ<C4A3><CABD><EFBFBD><EFBFBD>\r\n");
printf("\r\n ʵ<><CAB5>˵<EFBFBD><CBB5><EFBFBD><EFBFBD>\r\n");
printf("\r\n 1.<2E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>У<EFBFBD><D0A3>̵Ʊ<CCB5>ʾSTM32<33><32><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>У<EFBFBD><D0A3><EFBFBD><EFBFBD>Ʊ<EFBFBD>ʾ˯<CABE><CBAF>״̬<D7B4><CCAC><EFBFBD><EFBFBD><EFBFBD>Ʊ<EFBFBD>ʾ<EFBFBD>մ<EFBFBD>ֹͣ״̬<D7B4><CCAC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>\r\n");
printf("\r\n 2.<2E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD><D4B6><EFBFBD><EFBFBD><EFBFBD>ֹͣ״̬<D7B4><CCAC><EFBFBD><EFBFBD>ֹͣ״̬<D7B4>£<EFBFBD><C2A3><EFBFBD>ʹ<EFBFBD><CAB9>KEY1<59><31>KEY2<59><32><EFBFBD><EFBFBD>\r\n");
printf("\r\n 3.<2E><>ʵ<EFBFBD><CAB5>ִ<EFBFBD><D6B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>ѭ<EFBFBD><D1AD><EFBFBD><EFBFBD>\r\n ------<2D><><EFBFBD><EFBFBD><EFBFBD>̵<EFBFBD>(<28><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)-><3E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(ֹͣģʽ)-><3E><>KEY1<59><31>KEY2<59><32><EFBFBD><EFBFBD>-><3E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(<28>ձ<EFBFBD><D5B1><EFBFBD><EFBFBD><EFBFBD>)-----<2D><>\r\n");
printf("\r\n 4.<2E><>ֹͣ״̬<D7B4>£<EFBFBD>DAP<41><50><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>޷<EFBFBD><DEB7><EFBFBD>STM32<33><32><EFBFBD>س<EFBFBD><D8B3><EFBFBD><EFBFBD><EFBFBD>\r\n <20>ɰ<EFBFBD>KEY1<59><31>KEY2<59><32><EFBFBD>Ѻ<EFBFBD><D1BA><EFBFBD><EFBFBD>أ<EFBFBD>\r\n <20>򰴸<EFBFBD>λ<EFBFBD><CEBB>ʹоƬ<D0BE><C6AC><EFBFBD>ڸ<EFBFBD>λ״̬<D7B4><CCAC>Ȼ<EFBFBD><C8BB><EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD>ϵ<EFBFBD><CFB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ذ<EFBFBD>ť<EFBFBD><C5A5><EFBFBD><EFBFBD><EFBFBD>ͷŸ<CDB7>λ<EFBFBD><CEBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>\r\n");
while(1)
{
/*********ִ<><D6B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>***************************/
printf("\r\n STM32<33><32><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>У<EFBFBD><D0A3><EFBFBD><EFBFBD>̵<EFBFBD>\r\n");
LED_GREEN;
HAL_Delay(2000);
/*****<2A><><EFBFBD><EFBFBD>ִ<EFBFBD><D6B4><EFBFBD><EFBFBD><EFBFBD>ϣ<EFBFBD><CFA3><EFBFBD><EFBFBD><EFBFBD>˯<EFBFBD>߽<EFBFBD><DFBD>͹<EFBFBD><CDB9><EFBFBD>***********/
printf("\r\n <20><><EFBFBD><EFBFBD>ֹͣģʽ<C4A3><CABD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><>KEY1<59><31>KEY2<59><32><EFBFBD><EFBFBD><EFBFBD>ɻ<EFBFBD><C9BB><EFBFBD>\r\n");
//ʹ<>ú<EFBFBD><C3BA><EFBFBD>ָʾ<D6B8><CABE><EFBFBD><EFBFBD><EFBFBD><EFBFBD>˯<EFBFBD><CBAF>״̬
LED_RED;
//<2F><>ͣ<EFBFBD>δ<EFBFBD>ʱ<EFBFBD>ӣ<EFBFBD><D3A3><EFBFBD>ֹͨ<D6B9><CDA8><EFBFBD>δ<EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD>жϻ<D0B6><CFBB><EFBFBD>
HAL_SuspendTick();
/*<2A><><EFBFBD><EFBFBD>ֹͣģʽʱ<CABD><CAB1>FLASH<53><48><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬*/
HAL_PWREx_EnableFlashPowerDown();
/* <20><><EFBFBD><EFBFBD>ֹͣģʽ<C4A3><CABD><EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD>ѹ<EFBFBD><D1B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD>͹<EFBFBD><CDB9><EFBFBD>ģʽ<C4A3><CABD><EFBFBD>ȴ<EFBFBD><C8B4>жϻ<D0B6><CFBB><EFBFBD> */
HAL_PWR_EnterSTOPMode(PWR_MAINREGULATOR_ON,PWR_STOPENTRY_WFI);
//<2F>ȴ<EFBFBD><C8B4>жϻ<D0B6><CFBB><EFBFBD> K1<4B><31>K2<4B><32><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>
/***<2A><><EFBFBD><EFBFBD><EFBFBD>ѣ<EFBFBD><D1A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָʾ***/
LED_BLUE;
//<2F><><EFBFBD><EFBFBD>ʱ<EFBFBD>ӼĴ<D3BC><C4B4><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD>SystemCoreClock<63><6B><EFBFBD><EFBFBD>
SystemCoreClockUpdate();
//<2F><>ȡ<EFBFBD><C8A1><EFBFBD>Ѻ<EFBFBD><D1BA><EFBFBD>ʱ<EFBFBD><CAB1>״̬
SYSCLK_Frequency = HAL_RCC_GetSysClockFreq();
HCLK_Frequency = HAL_RCC_GetHCLKFreq();
PCLK1_Frequency = HAL_RCC_GetPCLK1Freq();
PCLK2_Frequency = HAL_RCC_GetPCLK2Freq();
SYSCLK_Source = __HAL_RCC_GET_SYSCLK_SOURCE();
//<2F><><EFBFBD><EFBFBD>ϵͳֱ<CDB3><D6B1>ʹ<EFBFBD><CAB9>HSIʱ<49>ӣ<EFBFBD>Ӱ<EFBFBD>촮<EFBFBD>ڲ<EFBFBD><DAB2><EFBFBD><EFBFBD>ʣ<EFBFBD><CAA3><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD>³<EFBFBD>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
UARTx_HSI_Config();
printf("\r\n<EFBFBD>ջ<EFBFBD><EFBFBD>ѵ<EFBFBD>ʱ<EFBFBD><EFBFBD>״̬<EFBFBD><EFBFBD>\r\n");
printf(" SYSCLKƵ<4B><C6B5>:%d,\r\n HCLKƵ<4B><C6B5>:%d,\r\n PCLK1Ƶ<31><C6B5>:%d,\r\n PCLK2Ƶ<32><C6B5>:%d,\r\n ʱ<><CAB1>Դ:%d (0<><30>ʾHSI<53><49>8<EFBFBD><38>ʾPLLCLK)\n",
SYSCLK_Frequency,HCLK_Frequency,PCLK1_Frequency,PCLK2_Frequency,SYSCLK_Source);
/* <20><>ֹͣģʽ<C4A3><CABD><EFBFBD>Ѻ<EFBFBD><D1BA><EFBFBD><EFBFBD><EFBFBD>ϵͳʱ<CDB3><CAB1>:<3A><><EFBFBD><EFBFBD>HSE<53><45>PLL*/
/* ѡ<><D1A1>PLL<4C><4C>Ϊϵͳʱ<CDB3><CAB1>Դ(HSE<53><45>PLL<4C><4C>ֹͣģʽ<C4A3>±<EFBFBD><C2B1><EFBFBD><EFBFBD><EFBFBD>)*/
SYSCLKConfig_STOP();
//<2F><><EFBFBD><EFBFBD><EFBFBD>Ѻ󣬻ָ<F3A3ACBB><D6B8>δ<EFBFBD>ʱ<EFBFBD><CAB1>
HAL_ResumeTick();
//<2F><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ú<EFBFBD><C3BA><EFBFBD>ʱ<EFBFBD><CAB1>״̬
SYSCLK_Frequency = HAL_RCC_GetSysClockFreq();
HCLK_Frequency = HAL_RCC_GetHCLKFreq();
PCLK1_Frequency = HAL_RCC_GetPCLK1Freq();
PCLK2_Frequency = HAL_RCC_GetPCLK2Freq();
SYSCLK_Source = __HAL_RCC_GET_SYSCLK_SOURCE();
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>Դ<EFBFBD><D4B4>ʼ<EFBFBD><CABC>״̬
printf("\r\n<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ú<EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>״̬<EFBFBD><EFBFBD>\r\n");
printf(" SYSCLKƵ<4B><C6B5>:%d,\r\n HCLKƵ<4B><C6B5>:%d,\r\n PCLK1Ƶ<31><C6B5>:%d,\r\n PCLK2Ƶ<32><C6B5>:%d,\r\n ʱ<><CAB1>Դ:%d (0<><30>ʾHSI<53><49>8<EFBFBD><38>ʾPLLCLK)\n",
SYSCLK_Frequency,HCLK_Frequency,PCLK1_Frequency,PCLK2_Frequency,SYSCLK_Source);
HAL_Delay(2000);
printf("\r\n <20><><EFBFBD>˳<EFBFBD>ֹͣģʽ\r\n");
//<2F><><EFBFBD><EFBFBD>ִ<EFBFBD><D6B4>whileѭ<65><D1AD>
}
}
/**
* @brief System Clock <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* system Clock <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:
* System Clock source = PLL (HSE)
* SYSCLK(Hz) = 480000000 (CPU Clock)
* HCLK(Hz) = 240000000 (AXI and AHBs Clock)
* AHB Prescaler = 2
* D1 APB3 Prescaler = 2 (APB3 Clock 120MHz)
* D2 APB1 Prescaler = 2 (APB1 Clock 120MHz)
* D2 APB2 Prescaler = 2 (APB2 Clock 120MHz)
* D3 APB4 Prescaler = 2 (APB4 Clock 120MHz)
* HSE Frequency(Hz) = 25000000
* PLL_M = 5
* PLL_N = 192
* PLL_P = 2
* PLL_Q = 2
* PLL_R = 2
* VDD(V) = 3.3
* Flash Latency(WS) = 4
* @param None
* @retval None
*/
/**
* @brief System Clock Configuration
* @retval None
*/
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
/** <20><><EFBFBD>õ<EFBFBD>Դ<EFBFBD><D4B4><EFBFBD>ø<EFBFBD><C3B8><EFBFBD>
*/
HAL_PWREx_ConfigSupply(PWR_LDO_SUPPLY);
/** <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѹ<EFBFBD><D1B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѹ
*/
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE0);
while(!__HAL_PWR_GET_FLAG(PWR_FLAG_VOSRDY)) {}
/** <20><>ʼ<EFBFBD><CABC>CPU<50><55>AHB<48>͡<EFBFBD>APB<50><42><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>
*/
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
RCC_OscInitStruct.PLL.PLLM = 5;
RCC_OscInitStruct.PLL.PLLN = 192;
RCC_OscInitStruct.PLL.PLLP = 2;
RCC_OscInitStruct.PLL.PLLQ = 2;
RCC_OscInitStruct.PLL.PLLR = 2;
RCC_OscInitStruct.PLL.PLLRGE = RCC_PLL1VCIRANGE_2;
RCC_OscInitStruct.PLL.PLLVCOSEL = RCC_PLL1VCOWIDE;
RCC_OscInitStruct.PLL.PLLFRACN = 0;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
}
/** <20><>ʼ<EFBFBD><CABC>CPU<50><55>AHB<48>͡<EFBFBD>APB<50><42><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>
*/
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2
|RCC_CLOCKTYPE_D3PCLK1|RCC_CLOCKTYPE_D1PCLK1;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.SYSCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.AHBCLKDivider = RCC_HCLK_DIV2;
RCC_ClkInitStruct.APB3CLKDivider = RCC_APB3_DIV2;
RCC_ClkInitStruct.APB1CLKDivider = RCC_APB1_DIV2;
RCC_ClkInitStruct.APB2CLKDivider = RCC_APB2_DIV2;
RCC_ClkInitStruct.APB4CLKDivider = RCC_APB4_DIV2;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK)
{
}
}
/**
* @brief <EFBFBD><EFBFBD>ֹͣģʽ<EFBFBD><EFBFBD><EFBFBD>Ѻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵͳʱ<EFBFBD><EFBFBD>:<EFBFBD><EFBFBD><EFBFBD><EFBFBD>HSE<EFBFBD><EFBFBD>PLL<EFBFBD><EFBFBD>ѡ<EFBFBD><EFBFBD>PLL<EFBFBD><EFBFBD>Ϊϵͳʱ<EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD>
* @param <EFBFBD><EFBFBD>
* @retval <EFBFBD><EFBFBD>
*/
static void SYSCLKConfig_STOP(void)
{
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
uint32_t pFLatency = 0;
/* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѹ<EFBFBD><D1B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѹ */
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE0);
while(!__HAL_PWR_GET_FLAG(PWR_FLAG_VOSRDY)) {}
/* <20><><EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD>RCC<43>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
HAL_RCC_GetOscConfig(&RCC_OscInitStruct);
/* <20><>ֹͣģʽ<C4A3><CABD><EFBFBD>Ѻ<EFBFBD><D1BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵͳʱ<CDB3><CAB1>: <20><><EFBFBD><EFBFBD>HSE<53><45>PLL */
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
while(1) { ; }
}
/* <20><><EFBFBD><EFBFBD><EFBFBD>ڲ<EFBFBD>RCC<43>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD><EFBFBD>ȡʱ<C8A1><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
HAL_RCC_GetClockConfig(&RCC_ClkInitStruct, &pFLatency);
/* ѡ<><D1A1> PLL <20><>Ϊϵͳʱ<CDB3><CAB1>Դ, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> HCLK<4C><4B>PCLK1 <20><> PCLK2ʱ<32>ӷ<EFBFBD>Ƶϵ<C6B5><CFB5> */
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_SYSCLK;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, pFLatency) != HAL_OK)
{
while(1) { ; }
}
}
/*********************************************END OF FILE**********************/
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